Cast steel swing check valve
The check valves sold by the company include: power station check valves, swing check valves, lift check valves, butterfly check valves, slow closing check valves, air discharge check valves, etc. Its main characteristics are to rely on the flow of the medium itself to open and close the valve disc, achieving positive opening and negative closing of the valve.
The function of the HT swing check valve is to prevent media backflow in the pipeline. Check valves belong to the automatic valve category, and the opening and closing parts rely on the force of the flowing medium to open or close on their own. Check valves are only used on pipelines with unidirectional flow of media to prevent media backflow and prevent accidents.
Applicable media include water, oil, steam, acidic media, etc.
Product reference standards:
Design and Manufacturing: API 594 API 6D;
Structural length: ANSI 594 API 6D、DIN3202;
Flange standard: DIN 2543-2548 API605、ASME B 16.47;
Pressure test: API 598;